Bathrooms · Updated 2026

Wet room cost

Typical range£2,500£12,000· Average wet room conversion

Wet room installation prices for 2025. In the UK, expect to pay between £2,500 and £12,000, with the typical project around £3,500 (average wet room conversion). Regional variation, specification tier and site access conditions all shift the final quote.

Quick answer: Wet room cost in the UK typically costs between £2,500 and £12,000 (Average wet room conversion). London and the South East run 20–35% above this range; the North, Wales and most of Scotland sit 5–15% below.

Homeowners researching this typically also price up bathroom renovation cost and new kitchen cost. For wider context, browse our kitchen pricing, boiler & heating costs and trades day rates.

Cost table

Indicative price ranges (UK, GBP)
ItemTypical range (GBP)
Basic wet room (small) — Under 4m², shower area only, linear drain
£2,500–£4,000
Standard wet room — Full room conversion, quality tiles, glass screen
£4,000–£7,000
Premium wet room — Designer tiles, heated floor, concealed plumbing
£7,000–£12,000

Labour costs

Labour typically accounts for 60% of the total project cost in the UK.

Labour line items
ItemTypical range (GBP)
Tanking (waterproofing)
£15–£30/m²
Former / floor screeding
£600–£1,500
Tiler
£35–£65/m²
Plumber
£400–£1,000
Electrician
£200–£600

Materials costs

Materials and fittings make up the remainder of the budget, with specification tier driving most of the variation.

Materials & fittings
ItemTypical range (GBP)
Wet room former / tray
£150–£500
Linear drain
£80–£400
Tanking kit
£50–£200
Tiles (per m²)
£25–£120/m²
Glass screen / partition
£300–£1,200
Shower valve & head
£150–£800

Factors affecting cost in the UK

  • ·Region — London and the South East run 15–30% above national averages.
  • ·Specification tier — premium materials and finishes can double the base cost.
  • ·Access and site conditions — flats, restricted parking and listed buildings add time.
  • ·Scope changes mid-project — late design decisions are the biggest cost overrun driver.
  • ·Trade availability — quotes rise 10–20% in peak spring and summer months.

Hidden & unexpected costs

  • ·Strengthening suspended timber floors to take the screed and tiles.
  • ·Re-routing drainage to achieve the required fall to the waste.
  • ·Additional tanking around windows, pipework penetrations and door thresholds.
  • ·Replacing the extractor fan with a humidity-sensing unit.
  • ·Building control sign-off for drainage and electrical zones.

Ways to reduce cost

  • ·Convert a small existing bathroom rather than building a new wet room from scratch.
  • ·Use a pre-formed wet room tray instead of a hand-screeded gradient floor.
  • ·Specify a linear drain at the wall — cheaper to install than a central point drain.
  • ·Tile floor-to-ceiling on wet walls only; paint the rest with bathroom-grade emulsion.
  • ·Combine wet room works with a planned re-roof or boiler swap to share scaffold/skip costs.

Frequently asked questions

What is the difference between a wet room and a walk-in shower?
A wet room is a fully waterproofed room with a sloped floor draining to a central or linear drain — no tray or enclosure. A walk-in shower has a defined shower tray (even if low-profile) and is typically separated from the rest of the bathroom by a glass screen.
Do wet rooms cause damp problems?
Not if properly installed. The key is thorough tanking (waterproofing) of all walls and the floor before tiling. Poor tanking is the leading cause of damp issues in wet rooms.
Are wet rooms suitable for disabled access?
Yes — wet rooms are ideal for wheelchair users and those with limited mobility, as there is no step or threshold. They are increasingly specified in accessible bathroom conversions funded by Disabled Facilities Grants (DFG).
Can any bathroom be converted to a wet room?
Most bathrooms can be converted. The floor must be strong enough to support the screed and tiling, and the drainage must be at the right level. Older homes with suspended timber floors may need additional structural work.